diff --git a/server/plugins-available/apache2_plugin.inc.php b/server/plugins-available/apache2_plugin.inc.php
index 1b5993a92c4b6692d2724b1a8a4675be1ab4c083..c4059e42c4ff49ad31495411a5ce9cc05691b28a 100644
--- a/server/plugins-available/apache2_plugin.inc.php
+++ b/server/plugins-available/apache2_plugin.inc.php
@@ -1513,8 +1513,14 @@ class apache2_plugin {
 		}
 
 		//* If we have some alias records
-		if($server_alias)) {
-			$tpl->setVar('alias', 'ServerAlias '.implode(' ',$server_alias));
+		if($server_alias) {
+			//* begin a new ServerAlias line after 32 alias domains to avoid apache bugs
+			$server_alias_str = 'ServerAlias '.$server_alias[0];
+			for($n=1;$n<count($server_alias);++$n)
+				$server_alias_str .= ($n % 32?' ':"\nServerAlias ").$server_alias[$n];
+			$tpl->setVar('alias', $server_alias_str);
+			unset($server_alias_str);
+			unset($n);
 		} else {
 			$tpl->setVar('alias', '');
 		}
@@ -3440,37 +3446,35 @@ class apache2_plugin {
 		if(substr($web['domain'], 0, 2) === '*.') $web['subdomain'] = '*';
 
 		if($web['subdomain'] == 'www' || $web['subdomain'] == '*'){
+			$domain = str_replace('.', '\.', $web['domain']);
 			if($web['seo_redirect'] == 'non_www_to_www'){
-				$seo_redirects[$prefix.'seo_redirect_origin_domain'] = str_replace('.', '\.', $web['domain']);
+				$seo_redirects[$prefix.'seo_redirect_origin_domain'] = $domain;
 				$seo_redirects[$prefix.'seo_redirect_target_domain'] = 'www.'.$web['domain'];
 				$seo_redirects[$prefix.'seo_redirect_operator'] = '';
 			}
 			if($web['seo_redirect'] == '*_domain_tld_to_www_domain_tld'){
-				// ^(example\.com|(?!\bwww\b)\.example\.com)$
-				// ^(example\.com|((?:\w+(?:-\w+)*\.)*)((?!www\.)\w+(?:-\w+)*)(\.example\.com))$
-				$seo_redirects[$prefix.'seo_redirect_origin_domain'] = '('.str_replace('.', '\.', $web['domain']).'|((?:\w+(?:-\w+)*\.)*)((?!www\.)\w+(?:-\w+)*)(\.'.str_replace('.', '\.', $web['domain']).'))';
+				$seo_redirects[$prefix.'seo_redirect_origin_domain'] = $domain.'|.*\.'.$domain.'(?<!^www\.'.$domain.')';
 				$seo_redirects[$prefix.'seo_redirect_target_domain'] = 'www.'.$web['domain'];
 				$seo_redirects[$prefix.'seo_redirect_operator'] = '';
 			}
 			if($web['seo_redirect'] == '*_to_www_domain_tld'){
-				$seo_redirects[$prefix.'seo_redirect_origin_domain'] = 'www\.'.str_replace('.', '\.', $web['domain']);
+				$seo_redirects[$prefix.'seo_redirect_origin_domain'] = 'www\.'.$domain;
 				$seo_redirects[$prefix.'seo_redirect_target_domain'] = 'www.'.$web['domain'];
 				$seo_redirects[$prefix.'seo_redirect_operator'] = '!';
 			}
 		}
 		if($web['seo_redirect'] == 'www_to_non_www'){
-			$seo_redirects[$prefix.'seo_redirect_origin_domain'] = 'www\.'.str_replace('.', '\.', $web['domain']);
+			$seo_redirects[$prefix.'seo_redirect_origin_domain'] = 'www\.'.$domain;
 			$seo_redirects[$prefix.'seo_redirect_target_domain'] = $web['domain'];
 			$seo_redirects[$prefix.'seo_redirect_operator'] = '';
 		}
 		if($web['seo_redirect'] == '*_domain_tld_to_domain_tld'){
-			// ^(.+)\.example\.com$
-			$seo_redirects[$prefix.'seo_redirect_origin_domain'] = '(.+)\.'.str_replace('.', '\.', $web['domain']);
+			$seo_redirects[$prefix.'seo_redirect_origin_domain'] = '.*\.'.$domain;
 			$seo_redirects[$prefix.'seo_redirect_target_domain'] = $web['domain'];
 			$seo_redirects[$prefix.'seo_redirect_operator'] = '';
 		}
 		if($web['seo_redirect'] == '*_to_domain_tld'){
-			$seo_redirects[$prefix.'seo_redirect_origin_domain'] = str_replace('.', '\.', $web['domain']);
+			$seo_redirects[$prefix.'seo_redirect_origin_domain'] = $domain;
 			$seo_redirects[$prefix.'seo_redirect_target_domain'] = $web['domain'];
 			$seo_redirects[$prefix.'seo_redirect_operator'] = '!';
 		}